clamp bolt meaning in English

(卡具用)夹紧螺栓, 紧固螺栓
夹紧螺栓

Tommy nuts with movable clamping bolt
带移动卡式螺栓的螺丝旋杆螺母
Tommy screws with movable clamping bolt
带移动卡式螺栓的定位销钉
Tommy nuts with fixed clamping bolt
带固定卡式螺栓的螺丝旋杆螺母
Tommy screws with fixed clamping bolt
带固定卡式螺栓的定位销钉
Research and application of high pre - clamping bolt fitted mounting apparatus
高预紧力锚杆配套安装机具的研究应用